20-101-0404 Rabbit Semiconductor, 20-101-0404 Datasheet - Page 29

• Manufacturer Part Number: 20-101-0404
• Description: MODULE RABBITCORE RCM2000
• Manufacturer: Rabbit Semiconductor

Specifications of 20-101-0404

• Module/board Type: MPU Core Module
• Product: Microcontroller Modules
• Core Processor: Rabbit 2000
• Clock Speed: 25.8 MHz
• Interface Type: Ethernet, Serial
• Flash: 256 KB
• Timers: 5 x 8 bit, 2 x 10 bit
• Operating Supply Voltage: 4.75 V to 5.25 V
• Board Size: 48.3 mm x 58.4 mm x 14 mm
• Core: RCM2000
• Processor Series: RCM2000
• Cpu Core: Rabbit 2000
• For Use With/related Products: RCM2000
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 316-1083

The ports on the Rabbit 2000 microprocessor used in the RCM2000 are configurable, and
so the factory defaults can be reconfigured. Table 2 lists the Rabbit 2000 factory defaults
and the alternate configurations.
User’s Manual
Pin
21–28
1, 20
3–10
12
13
14
15
16
17
18
19
29
30
31
32
33
34
35
36
37
38
39
40
11
2
GND
VCC
PA[0:7]
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PCLK
D[7:0]
PE7
PE6
PE5
PE4
PE3
PE2
PE1
PE0
/IOWR
/IORD
/BUFEN
/WDO
Pin Name
Table 2. RCM2000 Pinout Configurations
Output (Internal Clock)
Output (I/O write strobe)
Parallel I/O
Input
Input
Input
Input
Input
Input
Output
Output
Input/Output
Bitwise or parallel
programmable I/O
Output (I/O read strobe)
Output (I/O buffer enable)
Output (Watchdog output)
Default Use
Slave port data bus
SD0–SD7
Serial port clock CLKB
Serial port clock CLKA
Slave port write /SWR
Slave port read /SRD
SA0
SA1
Slave port attention line
/SLAVEATTN
Output
I7 output or slave port chip
select /SCS
I6 output
I5 output or INT1B input
I4 output or INT0B input
I3 output
I2 output
I1 output or INT1A input
I0 output or INT0A input
May also be used to output
a 30 µs pulse
Alternate Use
CLKA is connected to
programming port (header
J3, pin 3)
Slave port address lines
Turned off in software
Rabbit 2000 data bus
Outputs a pulse when the
internal watchdog times
out
Notes
25